Is loneliness just an emotion or a serious health risk?

In this episode, we explore the science behind loneliness and its impact on the brain, immune system, heart health, inflammation, and longevity. Research from organizations like the World Health Organization and U.S. Surgeon General’s Office now identifies social isolation as a major public health concern.

You’ll also learn the difference between being alone and feeling lonely, how loneliness affects the body and who is most at risk. 

***You can find the full list of researched references and further readings below.

Main Discussion Points

1. The difference between being alone and feeling lonely
2. Why chronic isolation may increase heart disease and dementia risk
3. Practical, evidence-based ways to rebuild connection

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References and Further Readings

• Centers for Disease Control and Prevention. (2023). Loneliness and social isolation linked to serious health conditions.
• Cacioppo, J. T., & Hawkley, L. C. (2003). Social isolation and health, with an emphasis on underlying mechanisms. Perspectives in Biology and Medicine, 46(3), S39–S52.
• Hawkley, L. C., & Cacioppo, J. T. (2010). Loneliness matters: A theoretical and empirical review of consequences and mechanisms. Annals of Behavioral Medicine, 40(2), 218–227.
• Holt-Lunstad J, Smith TB, Baker M, Harris T, Stephenson D. Loneliness and social isolation as risk factors for mortality: a meta-analytic review. Perspect Psychol Sci. 2015 Mar;10(2):227-37. 
• Holt-Lunstad J, Robles TF, Sbarra DA. Advancing social connection as a public health priority in the United States. Am Psychol. 2017;72(6):517-530.
• National Academies of Sciences, Engineering, and Medicine. (2020). Social isolation and loneliness in older adults: Opportunities for the health care system. The National Academies Press.
•  Penninkilampi et al. (2018): Meta-analysis on Social Engagement & Dementia Risk. 
• World Health Organization. (2023). Social isolation and loneliness among older people: Advocacy brief.

Thanks for listening! Have a great day!